运动跟踪(四):calcOpticalFlowPyrLK (),基于角点特征的金字塔LK光流跟踪算法
C++接口:voidcalcOpticallFlowPyrLK(InuputArrayprevImg,InputArraynextImg,InputArrayprevPts,InputOutputArraynextPts,OutputArraystatus,OutputArrayerr,SizewinSize=Size(21,21),intmaxLevel=3,TermCriteriacriter